B82801B0724A060 查看數據表（PDF） - TDK Corporation
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B82801B0724A060 Datasheet PDF : 10 Pages
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SMT current sense transformers
B82801B
EE 5.0
Bmax
=
V-----s--e--n---s--e----m----a--x-------G---m----a--x-
ns Ae fosc
With:
Bmax
Maximum magnetic flux density in the ferrite core of the current sense transformer
Vsense,max Maximum output voltage of the measurement signal
Gmax
Maximum duty cycle
ns
Number of turns of the secondary winding of the current sense transformer
Ae
Effective magnetic area of the ferrite core
fosc
Operating frequency of the switching operator IC
Typical value for Ae: 2.5 x 10-6 m2
Typical Bmax: 200 mT
RT
=
V-----s--e--n---s--e----m----a--x-------n---s
Iprim max
With:
RT
Resistance of burden resistor
Vsense,max Maximum output voltage of the measurement signal
ns
Number of turns on the secondary side of the CT
Iprim,max Maximum primary current (peak current)
Characteristics and ordering codes
Lmin
PH
80
180
320
500
720
980
2000
3000
8000
Turns ratio
Np : Ns
DC resistance
Rmax (m:)
primary secondary
Voltage- Recomm.
time product RT
V μs
:
Ordering code
1 : 20
0.6
400
10.0
20
B82801B0803A020
1 : 30
0.6
870
15.0
30
B82801B0184A030
1 : 40
0.6
1140
20.0
40
B82801B0324A040
1 : 50
0.6
1500
25.0
50
B82801B0504A050
1 : 60
0.6
1980
30.0
60
B82801B0724A060
1 : 70
0.6
3000
35.0
70
B82801B0984A070
1 : 100
0.6
5500
50.0
100
B82801B0205A100
1 : 125
0.6
6500
62.5
125
B82801B0305A125
1 : 200
0.6
33240
100.0
200
B82801B0925A200
Please read Cautions and warnings and
Important notes at the end of this document.
5 12/12
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